1/* $NetBSD: uba_ubi.c,v 1.4 2017/05/22 17:15:45 ragge Exp $ */ 2/* 3 * Copyright (c) 1982, 1986 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)uba.c 7.10 (Berkeley) 12/16/90 31 * @(#)autoconf.c 7.20 (Berkeley) 5/9/91 32 */ 33 34/* 35 * Copyright (c) 1996 Jonathan Stone. 36 * Copyright (c) 1994, 1996 Ludd, University of Lule}, Sweden. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 57 * SUCH DAMAGE. 58 * 59 * @(#)uba.c 7.10 (Berkeley) 12/16/90 60 * @(#)autoconf.c 7.20 (Berkeley) 5/9/91 61 */ 62 63#include <sys/cdefs.h> 64__KERNEL_RCSID(0, "$NetBSD: uba_ubi.c,v 1.4 2017/05/22 17:15:45 ragge Exp $"); 65 66#define _VAX_BUS_DMA_PRIVATE 67 68#include <sys/param.h> 69#include <sys/systm.h> 70#include <sys/bus.h> 71#include <sys/cpu.h> 72#include <sys/device.h> 73 74#include <machine/nexus.h> 75#include <machine/sgmap.h> 76 77#include <dev/qbus/ubavar.h> 78 79#include <vax/uba/uba_common.h> 80 81#include "locators.h" 82 83/* Some UBI-specific defines */ 84#define UBASIZE ((UBAPAGES + UBAIOPAGES) * VAX_NBPG) 85#define UMEM730 (0xfc0000) 86#define UIOPAGE (UMEM730 + (UBAPAGES * VAX_NBPG)) 87 88/* 89 * The DW780, DW750 and DW730 are quite similar to their function from 90 * a programmers point of view. Differencies are number of BDP's 91 * and bus status/command registers, the latter are (partly) IPR's 92 * on 750. 93 */ 94static int dw730_match(device_t, cfdata_t, void *); 95static void dw730_attach(device_t, device_t, void *); 96static void dw730_init(struct uba_softc*); 97#ifdef notyet 98static void dw730_purge(struct uba_softc *, int); 99#endif 100 101CFATTACH_DECL_NEW(uba_ubi, sizeof(struct uba_vsoftc), 102 dw730_match, dw730_attach, NULL, NULL); 103 104extern struct vax_bus_space vax_mem_bus_space; 105 106int 107dw730_match(device_t parent, cfdata_t cf, void *aux) 108{ 109 struct sbi_attach_args *sa = (struct sbi_attach_args *)aux; 110 111 if (cf->cf_loc[UBICF_TR] != sa->sa_nexnum && 112 cf->cf_loc[UBICF_TR] != UBICF_TR_DEFAULT) 113 return 0; 114 /* 115 * The uba type is actually only telling where the uba 116 * space is in nexus space. 117 */ 118 if ((sa->sa_type & ~3) != NEX_UBA0) 119 return 0; 120 121 return 1; 122} 123 124void 125dw730_attach(device_t parent, device_t self, void *aux) 126{ 127 struct uba_vsoftc *sc = device_private(self); 128 struct sbi_attach_args *sa = aux; 129 130 printf(": DW730\n"); 131 132 /* 133 * Fill in bus specific data. 134 */ 135 sc->uv_sc.uh_dev = self; 136 sc->uv_sc.uh_ubainit = dw730_init; 137#ifdef notyet 138 sc->uv_sc.uh_ubapurge = dw730_purge; 139#endif 140 sc->uv_sc.uh_iot = &vax_mem_bus_space; 141 sc->uv_sc.uh_dmat = &sc->uv_dmat; 142 sc->uv_sc.uh_type = UBA_UBA; 143 sc->uv_sc.uh_nr = sa->sa_type == NEX_UBA1; 144 145 /* 146 * Fill in variables used by the sgmap system. 147 */ 148 sc->uv_size = UBAPAGES * VAX_NBPG; 149 sc->uv_uba = (void *)sa->sa_ioh; /* Map registers is in adaptor */ 150 151 uba_dma_init(sc); 152 uba_attach(&sc->uv_sc, UIOPAGE); 153} 154 155void 156dw730_init(struct uba_softc *sc) 157{ 158 mtpr(0, PR_IUR); 159 DELAY(500000); 160} 161 162#ifdef notyet 163void 164dw730_purge(struct uba_softc sc, int bdp) 165{ 166 sc->uh_uba->uba_dpr[bdp] |= UBADPR_PURGE | UBADPR_NXM | UBADPR_UCE; 167} 168#endif 169